1988

6.3

1986

5.4

2017

5.6

1989

7.2

2005

7.7

2004

4.6

1997

6.6

1999

4.5

1992

6.9

0.0

2018

4.7

2006

5.1

1949

5.0

2021

6.7

2019

6.5

2022

6.4

2026

0.0

2004

4.6

1984

6.6

2004

6.5